Hodge's Dual Battery System

[Cuppa]

11.6 volt is half charge of a battery any lower than that and you will do damage to any battery agm's are just able to discharge that little more but it will still be doing damage

From the table below you can see that 11.6v would actually be only around 20% capacity - well into battery damage territory. Half charge is around 12.1v (on a rested battery with no loads of course). My preference is to never to let the voltage drop below 12.2v, but with smaller battery capacity this can be impractical. I would suggest a minimum of 11.9v or higher if long term damage is to be avoided.

600573_SoC_Table.jpg